#A3748E
Closest named color: Mauve (#AE7181). oklch(61.5% 0.069 345), rgb(163, 116, 142).
Aa
Black text reads best on this color (5.44:1).
About this color
#A3748E is a medium-dark, muted red. In OKLCH its lightness is 61%, its chroma 0.069 and its hue 345°. Its hue sits on the warm side of the wheel. The nearest named color is Mauve (#AE7181), ΔE 0.025 away. Black text reads best on it, at 5.44:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.069) |
| Temperature | warm |
| Nearest name | Mauve (#AE7181) |
| Black text | 5.44:1 |
| White text | 3.85:1 |
Values
| HEX | #A3748E |
| RGB | rgb(163, 116, 142) |
| HSL | hsl(327, 20%, 55%) |
| OKLCH | oklch(61.5% 0.069 345) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #A3748E | 3.85:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #A3748E | 5.44:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #A3748E text on white | 3.85:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #A3748E text on black | 5.44:1 | AA | Lc -35.7 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE7EB
oklch(93.5% 0.01 345.4)
-
Step 200
200
#E3D4DC
oklch(88.4% 0.02 344)
-
Step 300
300
#D2B8C6
oklch(80.9% 0.035 344.2)
-
Step 400
400
#BA94A8
oklch(70.8% 0.053 345.6)
-
Step 500
500 (this color)
#A3748E
oklch(61.5% 0.069 345)
-
Step 600
600
#93617D
oklch(55.5% 0.075 345.2)
-
Step 700
700
#7D506A
oklch(49% 0.07 344.4)
-
Step 800
800
#664256
oklch(42.7% 0.058 345.4)
-
Step 900
900
#533847
oklch(37.7% 0.045 345)
-
Step 950
950
#31212A
oklch(27.1% 0.029 344.4)
#A3748E with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #777D8F | 0.071 |
| Deuteranopia (no green cones) | #82858D | 0.067 |
| Tritanopia (no blue cones) | #A9747D | 0.027 |
| Achromatopsia (no color) | #828282 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3748E
#A3748E
oklch(61.5% 0.069 345)
- #5B927A
#5B927A
oklch(61.4% 0.069 164.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A3748E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mauve #AE7181 ΔE 0.025
- Purpley Grey #947E94 ΔE 0.033
- English Lavender #9D8189 ΔE 0.039
- Faded Purple #916E99 ΔE 0.042
- Dark Lilac #9C6DA5 ΔE 0.047
- Reddish Grey #997570 ΔE 0.050
- Heather #A484AC ΔE 0.052
- Purple Grey #866F85 ΔE 0.053
Use #A3748E in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.